19757720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25997}}^1$

素因数の和:26027

約数の個数: 32

約数和(自身を含む): 46796400

約数和(自身を除く): 27038680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25997, 51994, 103988, 129985, 207976, 259970, 493943, 519940, 987886, 1039880, 1975772, 2469715, 3951544, 4939430, 9878860, 19757720]

約数ペア:

[(1, 19757720), (2, 9878860), (4, 4939430), (5, 3951544), (8, 2469715), (10, 1975772), (19, 1039880), (20, 987886), (38, 519940), (40, 493943), (76, 259970), (95, 207976), (152, 129985), (190, 103988), (380, 51994), (760, 25997)]